feat(deploy): register Engine telemetry catalog transition

infra/deploy-runner/test_engine_node_intelligence.py

@@ -147,6 +147,35 @@ class EngineNodeIntelligenceTest(unittest.TestCase):
             )
             self.assertEqual(actual, descriptor)
 
+    def test_gateway_accepts_registered_0_8_and_rejects_unknown_successors(self):
+        with tempfile.TemporaryDirectory() as directory:
+            payload, descriptor = self.make_activation_payload(Path(directory))
+            gateway = payload / RUNNER.ENGINE_NODE_INTELLIGENCE_GATEWAY_REL
+            gateway_text = gateway.read_text(encoding="utf-8")
+            self.assertIn("const ENGINE_AGENT_MCP_VERSION = '0.8.0'", gateway_text)
+            gateway.write_text(
+                gateway_text.replace(
+                    "const ENGINE_AGENT_MCP_VERSION = '0.8.0'",
+                    "const ENGINE_AGENT_MCP_VERSION = '9.9.9'",
+                ),
+                encoding="utf-8",
+            )
+            descriptor["source"]["gatewaySha256"] = sha256(gateway)
+            (
+                payload / RUNNER.ENGINE_NODE_INTELLIGENCE_DESCRIPTOR_REL
+            ).write_text(
+                json.dumps(descriptor, indent=2) + "\n",
+                encoding="utf-8",
+            )
+            with self.assertRaisesRegex(
+                RUNNER.DeployError,
+                "gateway MCP version is not registered",
+            ):
+                RUNNER.validate_engine_node_intelligence_transition(
+                    payload,
+                    RUNNER.ENGINE_NODE_INTELLIGENCE_ARTIFACT_ENTRIES,
+                )
+
     def test_archive_tamper_and_embedded_authority_fail_closed(self):
         with tempfile.TemporaryDirectory() as directory:
             root = Path(directory)